Movable frame device for quickly drawing and replacing single railway bridge sleeper

Abstract

The utility model discloses a movable frame device for rapidly drawing and replacing a single railway bridge sleeper, and belongs to the technical field of railway maintenance. Comprising a sliding frame, the sliding frame comprises a first frame and a second frame hinged to the first frame, the first frame and the second frame are each rotationally provided with a plurality of roller shafts, a connecting piece is detachably installed between the first frame and the second frame, the two sides of the first frame are each rotationally provided with a length-adjustable first traction assembly, and the two sides of the second frame are each rotationally provided with a second traction assembly; and second traction assemblies with adjustable lengths are rotationally arranged on the two sides of the second frame, and the technical effects that the efficiency of bridge sleeper drawing and replacing operation is improved, and the operation safety is improved are achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of railway maintenance, more particularly to a movable frame device for quickly replacing a single railway bridge sleeper. BACKGROUND

[0002] When replacing sleepers on a railway bridge, the replacement window time is 120 minutes, and the sleepers are replaced. When the sleepers are pulled out, 1.8 m of the 3 m long sleepers are suspended outside the bridge, and 2 workers need to use a hemp rope to pull the sleepers tightly to prevent the sleepers from falling, which is time-consuming and labor-intensive, and it is difficult to pull out the sleepers. It is difficult to coordinate, and it is easy to injure hands and feet, and the sleepers are easy to fall off the bridge, which will affect the safety of vehicles, ships and people under the bridge, and has great safety hazards.

[0003] In view of this, the present application provides a movable frame device for quickly replacing a single railway bridge sleeper. CONTENT OF THE UTILITY MODEL

[0004] 1. Technical problem to be solved

[0005] The purpose of the present application is to provide a movable frame device for quickly replacing a single railway bridge sleeper, which solves the technical problems in the background art and achieves the technical effects of improving the efficiency of sleeper replacement operation and improving the safety of operation.

[0006] 2. Technical solution

[0007] The technical solution of the present application provides a movable frame device for quickly replacing a single railway bridge sleeper, which comprises a sliding frame, the sliding frame comprises a first frame and a second frame hinged to the first frame, a plurality of rollers are rotatably arranged on the first frame and the second frame, a connecting piece is detachably mounted between the first frame and the second frame, length-adjustable first traction assemblies are rotatably arranged on both sides of the first frame, and length-adjustable second traction assemblies are rotatably arranged on both sides of the second frame.

[0008] By adopting the above technical solution, the first frame and the second frame are hinged and folded, the space occupied by the whole is reduced after folding, so as to facilitate storage and carrying. First, the device is placed flat on the concrete walking board of the bridge, the first traction assembly is hung on the bridge railing by adjusting the length, the second traction assembly is fixed on the bridge railing by adjusting the length, the device is ensured to be fixed, then the old sleeper is pulled out and placed on the rollers of the first frame and the second frame, the rollers are used to pull the sleeper out from under the rail, and then the sleeper is lifted out.

[0009] As an optional solution of the technical solution of the present application, the first traction assembly and the second traction assembly each comprise a lead screw and an internally threaded tube threadedly connected with the lead screw, the first traction assembly further comprises a hook, and the second traction assembly further comprises a C-shaped clamp rotatably connected with the internally threaded tube.

[0010] By adopting the technical scheme, the lower end of the screw rod is rotationally connected with the frame shaft, the screw rod is threadedly connected with the inner threaded pipe, so that the length is adjusted, and the hook fixed on the inner threaded pipe on the first frame is hung on the railing, at this time, the first frame can be hung on the outer side of the bridge, the second frame is placed on one side of the sidewalk, and is clamped and fixed on the railing through the C-shaped clamp on the second frame, at this time, the second frame can be fixed on the railing, and the second frame is prevented from being tilted up.

[0011] As an optional solution of the technical scheme in the application file, the C-shaped clamp comprises a C-shaped piece and a limiting screw rod threadedly connected with the C-shaped piece, a stepped hole is formed in the C-shaped piece, a second T-shaped shaft is coaxially fixed on the inner threaded pipe on the second frame, and the second T-shaped shaft is matched with the stepped hole.

[0012] By adopting the technical scheme, the upper cross rod of the railing is clamped into the opening of the C-shaped piece, then the limiting screw rod is rotated, the railing is clamped and fixed through the limiting screw rod, and meanwhile, the C-shaped piece and the inner threaded pipe are rotationally matched through the second T-shaped shaft and the stepped hole, so that the direction of the opening is adjusted.

[0013] As an optional solution of the technical scheme in the application file, the adapter comprises an adapter plate, a first T-shaped shaft fixed on the first frame and a locking screw rod, the first T-shaped shaft penetrates one end of the adapter plate, the locking screw rod penetrates the other end of the adapter plate, and the locking screw rod is threadedly connected with the second frame.

[0014] By adopting the technical scheme, when the first frame and the second frame are in a coplanar state, the adapter plate is rotated around the first T-shaped shaft, and the locking screw rod is threadedly connected with the second frame, so that the first frame and the second frame can be fixed.

[0015] As an optional solution of the technical scheme in the application file, a plurality of hinges are fixed between the first frame and the second frame.

[0016] By adopting the technical scheme, the first frame and the second frame are hingedly connected through the plurality of hinges, and when the hinges are placed below, the upper edges of the first frame and the second frame abut against each other and can be supported.

[0017] 3. Beneficial effects

[0018] One or more technical schemes provided in the embodiments of the application have at least the following technical effects or advantages:

[0019] 1. The application is folded by the hinge of the first frame and the second frame, the space occupation is reduced after the whole folding, in order to facilitate the storage and carrying, first put the device flat on the concrete walking plate of the bridge sidewalk, the first traction assembly is hung on the bridge railing by adjusting the length, the second traction assembly is fixed on the bridge railing by adjusting the length, ensure that the device is fixed, then take out the old bridge pillow and put it on the roller shaft of the first frame and the second frame, use the roller shaft to take out the bridge pillow easily from under the steel rail, then lift it out. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The whole structure schematic diagram of a movable frame device for quickly replacing railway bridge pillow is disclosed in a preferred embodiment of the application;

[0021] Figure 2 The whole bottom structure schematic diagram of a movable frame device for quickly replacing railway bridge pillow is disclosed in a preferred embodiment of the application;

[0022] Figure 3 The whole structure schematic diagram of a movable frame device for quickly replacing railway bridge pillow is disclosed in a preferred embodiment of the application; Figure 2 The enlarged structure schematic diagram of A in the middle;

[0023] Figure 4 The inner threaded pipe and C-shaped clamp structure schematic diagram of a movable frame device for quickly replacing railway bridge pillow is disclosed in a preferred embodiment of the application;

[0024] Figure 5 The inner threaded pipe structure schematic diagram of a movable frame device for quickly replacing railway bridge pillow is disclosed in a preferred embodiment of the application;

[0025] Figure 6 The C-shaped clamp structure schematic diagram of a movable frame device for quickly replacing railway bridge pillow is disclosed in a preferred embodiment of the application;

[0026] Figure 7 The whole use state structure schematic diagram of a movable frame device for quickly replacing railway bridge pillow is disclosed in a preferred embodiment of the application;

[0027] Explanation of figure marks: 1, sliding frame; 11, first frame; 12, second frame; 13, hinge; 2, roller shaft; 3, connecting piece; 31, connecting plate; 32, first T-shaped shaft; 33, locking screw; 4, first traction assembly; 41, screw rod; 42, inner threaded pipe; 421, second T-shaped shaft; 43, hook; 5, second traction assembly; 51, C-shaped clamp; 511, C-shaped piece; 512, limiting screw; 513, stepped hole. DETAILED DESCRIPTION

[0028] The application will be further described in detail below with reference to the accompanying drawings.

[0029] The application relates to a quick single-pulling and replacing railway bridge sleeper movable frame device, which comprises a sliding frame 1, the sliding frame 1 comprises a first frame 11 and a second frame 12 hinged to the first frame 11, a plurality of roller shafts 2 are rotationally arranged on the first frame 11 and the second frame 12, a connecting piece 3 is detachably arranged between the first frame 11 and the second frame 12, length-adjustable first traction assemblies 4 are rotationally arranged on the two sides of the first frame 11, and length-adjustable second traction assemblies 5 are rotationally arranged on the two sides of the second frame 12.

[0030] With reference to Figures 1-7 , the first frame 11 and the second frame 12 are folded through the hinge, the space occupied by the whole device is reduced after being folded, and the device is convenient to store and carry, the device is first placed on a concrete walking plate of a bridge sidewalk, the first traction assemblies 4 are hung on a bridge railing through length adjustment, the second traction assemblies 5 are fixed on the bridge railing through length adjustment, the device is ensured to be fixed, then old bridge sleepers are pulled out and placed on the roller shafts 2 of the first frame 11 and the second frame 12, the bridge sleepers are pulled out from under the steel rail through the roller shafts 2, and then the bridge sleepers are lifted out.

[0031] The first traction assemblies 4 and the second traction assemblies 5 each comprise a lead screw 41 and an internally threaded pipe 42 threadedly connected with the lead screw 41, the first traction assemblies 4 further comprise a hook 43, and the second traction assemblies 5 further comprise a C-shaped clamp 51 rotationally connected with the internally threaded pipe 42.

[0032] With reference to Figure 2 and Figure 7 , the lower end of the lead screw 41 is rotationally connected with a frame shaft, the length is adjusted through the threaded connection between the lead screw 41 and the internally threaded pipe 42, the hook 43 fixed on the internally threaded pipe 42 on the first frame 11 is hung on the railing, at this time, the first frame 11 can be hung on the outer side of the bridge, the second frame 12 is placed on one side of the sidewalk, and the C-shaped clamp 51 on the second frame 12 is clamped and fixed on the railing, at this time, the second frame 12 can be fixed on the railing, and the second frame 12 is prevented from being tilted up.

[0033] The C-shaped clamp 51 comprises a C-shaped piece 511 and a limiting screw 512 threadedly connected with the C-shaped piece 511, a stepped hole 513 is formed in the C-shaped piece 511, a second T-shaped shaft 421 is coaxially fixed on the internally threaded pipe 42 on the second frame 12, and the second T-shaped shaft 421 is matched with the stepped hole 513.

[0034] With reference to Figure 6, the upper horizontal bar of the railing is clamped into the opening of the C-shaped piece 511, then the limiting screw 512 is turned, and the limiting screw 512 is clamped and fixed on the railing, and meanwhile, the C-shaped piece 511 and the inner threaded pipe 42 are matched with the second T-shaped shaft 421 and the stepped hole 513 through rotation, so as to adjust the direction of the opening.

[0035] The adapter 3 comprises an adapter plate 31, a first T-shaped shaft 32 and a locking screw 33 fixed on the first frame 11, the first T-shaped shaft 32 is inserted into one end of the adapter plate 31, and the locking screw 33 is inserted into the other end of the adapter plate 31, and the locking screw 33 is threadedly connected with the second frame 12.

[0036] Referring to Figure 3 , when the first frame 11 and the second frame 12 are coplanar, the adapter plate 31 is turned around the first T-shaped shaft 32, and the locking screw 33 is threadedly connected with the second frame 12, so that the first frame 11 and the second frame 12 can be fixed.

[0037] A plurality of hinges 13 are fixed between the first frame 11 and the second frame 12.

[0038] Referring to Figure 2 and Figure 3 , the first frame 11 and the second frame 12 are hinged through the plurality of hinges 13, and when the hinges 13 are placed downward, the upper edges of the first frame 11 and the second frame 12 abut against each other and can be supported.

[0039] Working principle, the first frame 11 and the second frame 12 are turned around the hinges 13 and are coplanar, then the hinges 13 are placed downward, the first frame 11 is placed on the outer side of the bridge, the length of the inner threaded pipe 42 with the hook 43 is adjusted through rotation, so that the first frame 11 and the second frame 12 are coplanar, and the hook 43 is hung on the railing, then the length of the second traction assembly 5 is adjusted, the upper horizontal bar of the railing is clamped into the opening of the C-shaped piece 511, then the limiting screw 512 is turned, and the limiting screw 512 is clamped and fixed on the railing, so that the second frame 12 can be supported on the sidewalk, then the old bridge sleeper is pulled out and placed on the roller shaft 2 of the first frame 11 and the second frame 12, the bridge sleeper is pulled out from under the steel rail by the roller shaft 2, and then lifted up.

Claims

1. A portable rack for rapid single extraction and replacement of railroad bridge ties, characterized in that: Include: The sliding frame (1) includes a first frame (11) and a second frame (12) hinged to the first frame (11), a plurality of rollers (2) are rotatably arranged on the first frame (11) and the second frame (12), a connecting piece (3) is detachably mounted between the first frame (11) and the second frame (12), a first length-adjustable traction assembly (4) is rotatably arranged on both sides of the first frame (11), and a second length-adjustable traction assembly (5) is rotatably arranged on both sides of the second frame (12).

2. A portable rack apparatus for quickly extracting and replacing single railroad bridge ties according to claim 1, wherein: The first traction assembly (4) and the second traction assembly (5) each include a screw rod (41) and an internally threaded tube (42) threadedly connected with the screw rod (41), the first traction assembly (4) further includes a hook (43), and the second traction assembly (5) further includes a C-shaped clamp (51) rotatably connected with the internally threaded tube (42).

3. A portable rack apparatus for quickly extracting and replacing single railroad bridge ties as set forth in claim 2, wherein: The C-shaped clamp (51) includes a C-shaped piece (511) and a limiting screw rod (512) threadedly connected with the C-shaped piece (511), a stepped hole (513) is formed in the C-shaped piece (511), a second T-shaped shaft (421) is coaxially fixed to the internally threaded tube (42) on the second frame (12), and the second T-shaped shaft (421) is adapted to the stepped hole (513).

4. A portable rack apparatus for quickly pulling and replacing single railroad bridge ties according to claim 1, wherein: The connecting piece (3) includes a connecting plate (31), a first T-shaped shaft (32) and a locking screw rod (33) fixed to the first frame (11), the first T-shaped shaft (32) penetrates one end of the connecting plate (31), the locking screw rod (33) penetrates the other end of the connecting plate (31), and the locking screw rod (33) is threadedly connected with the second frame (12).

5. A portable rack apparatus for quickly extracting and replacing single railroad bridge ties according to claim 1, wherein: A plurality of hinges (13) are fixed between the first frame (11) and the second frame (12).

Images